Add appveyor script

Author: alexander-schranz

appveyor.yml

@@ -0,0 +1,54 @@
+build: false
+clone_folder: c:\reflectiondocblock
+max_jobs: 3
+platform: x86
+pull_requests:
+  do_not_increment_build_number: true
+version: '{build}.{branch}'
+skip_tags: true
+branches:
+  only:
+    - master
+
+environment:
+  matrix:
+    - php_ver_target: 7.1
+    - php_ver_target: 7.2
+matrix:
+  fast_finish: false
+
+cache:
+  - c:\php -> appveyor.yml
+  - '%LOCALAPPDATA%\Composer\files'
+
+init:
+  - SET PATH=C:\Program Files\OpenSSL;c:\tools\php;%PATH%
+  - SET COMPOSER_NO_INTERACTION=1
+  - SET PHP=1
+  - SET ANSICON=121x90 (121x90)
+
+
+install:
+  - IF EXIST c:\tools\php (SET PHP=0)
+  - ps: appveyor-retry cinst --params '""/InstallDir:C:\tools\php""' --ignore-checksums -y php --version ((choco search php --exact --all-versions -r | select-string -pattern $env:php_ver_target | sort { [version]($_ -split '\|' | select -last 1) } -Descending | Select-Object -first 1) -replace '[php|]','')
+  - cd c:\tools\php
+  - IF %PHP%==1 copy /Y php.ini-development php.ini
+  - IF %PHP%==1 echo max_execution_time=1200 >> php.ini
+  - IF %PHP%==1 echo date.timezone="UTC" >> php.ini
+  - IF %PHP%==1 echo extension_dir=ext >> php.ini
+  - IF %PHP%==1 echo extension=php_curl.dll >> php.ini
+  - IF %PHP%==1 echo extension=php_openssl.dll >> php.ini
+  - IF %PHP%==1 echo extension=php_mbstring.dll >> php.ini
+  - IF %PHP%==1 echo extension=php_fileinfo.dll >> php.ini
+  - IF %PHP%==1 echo zend.assertions=1 >> php.ini
+  - IF %PHP%==1 echo assert.exception=On >> php.ini
+  - IF %PHP%==1 echo @php %%~dp0composer.phar %%* > composer.bat
+  - appveyor-retry appveyor DownloadFile https://getcomposer.org/composer.phar
+  - cd c:\reflectiondocblock
+  - composer install --no-interaction --prefer-dist --no-progress
+  - composer global require phpunit/phpunit ^6
+  - composer global config bin-dir --absolute
+
+test_script:
+  - cd c:\reflectiondocblock
+  - c:\Users\appveyor\AppData\Roaming\Composer\vendor\bin\phpunit --no-coverage